Verification of nonlinear particle simulation of radio frequency waves in tokamak
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
- Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy; Peking Univ., Beijing (China). Fusion Simulation Center
- Zhejiang Univ., Hangzhou (China). Inst. for Fusion Theory and Simulation
- Chinese Academy of Sciences (CAS), Beijing (China). Inst. of Physics
- Xiamen Univ., Xiamen (China). Dept. of Physics, Inst. of Theoretical Physics and Astrophysics
- Princeton Univ., NJ (United States). Princeton Plasma Physics Lab.
Nonlinear simulation model for radio frequency waves in fusion plasmas has been developed and verified using fully kinetic ion and drift kinetic electron. Ion cyclotron motion in the toroidal geometry is implemented using Boris push in the Boozer coordinates. Linear dispersion relation and nonlinear particle trapping are verified for the lower hybrid wave and ion Bernstein wave (IBW). Parametric decay instability is observed where a large amplitude pump wave decays into an IBW sideband and an ion cyclotron quasimode (ICQM). The ICQM induces an ion perpendicular heating, with a heating rate proportional to the pump wave intensity.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Oak Ridge Leadership Computing Facility (OLCF)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- AC02-05CH11231; AC05-00OR22725; S013849F; FG02-07ER54916
- OSTI ID:
- 1565465
- Alternate ID(s):
- OSTI ID: 1224338
- Journal Information:
- Physics of Plasmas, Vol. 22, Issue 10; ISSN 1070-664X
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 18 works
Citation information provided by
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